CA2338653C - Magnetrons - Google Patents

Magnetrons Download PDF

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Publication number
CA2338653C
CA2338653C CA2338653A CA2338653A CA2338653C CA 2338653 C CA2338653 C CA 2338653C CA 2338653 A CA2338653 A CA 2338653A CA 2338653 A CA2338653 A CA 2338653A CA 2338653 C CA2338653 C CA 2338653C
Authority
CA
Canada
Prior art keywords
magnetron
mode
coaxial line
energy
anode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2338653A
Other languages
English (en)
French (fr)
Other versions
CA2338653A1 (en
Inventor
Kesar Saleem
Michael Barry Clive Brady
Alan Hugh Pickering
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teledyne UK Ltd
Original Assignee
e2v Technologies UK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by e2v Technologies UK Ltd filed Critical e2v Technologies UK Ltd
Publication of CA2338653A1 publication Critical patent/CA2338653A1/en
Application granted granted Critical
Publication of CA2338653C publication Critical patent/CA2338653C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
    • H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
    • H01J2223/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J2223/54—Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment

Landscapes

  • Microwave Tubes (AREA)
  • Weting (AREA)
  • Constitution Of High-Frequency Heating (AREA)
CA2338653A 2000-03-30 2001-02-27 Magnetrons Expired - Lifetime CA2338653C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0007787A GB2360872B (en) 2000-03-30 2000-03-30 Magnetrons
GB0007787.5 2000-03-30

Publications (2)

Publication Number Publication Date
CA2338653A1 CA2338653A1 (en) 2001-09-30
CA2338653C true CA2338653C (en) 2010-04-13

Family

ID=9888805

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2338653A Expired - Lifetime CA2338653C (en) 2000-03-30 2001-02-27 Magnetrons

Country Status (8)

Country Link
US (1) US6815897B2 (de)
EP (1) EP1139377B1 (de)
JP (1) JP5204939B2 (de)
CN (1) CN1252780C (de)
AT (1) ATE327569T1 (de)
CA (1) CA2338653C (de)
DE (1) DE60119823T2 (de)
GB (1) GB2360872B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2372147A (en) * 2001-02-13 2002-08-14 Marconi Applied Techn Ltd Magnetron with radiation absorbing dielectric resonator
GB2386749B (en) * 2002-03-16 2005-11-23 Marconi Applied Techn Ltd Magnetron
JP2007221320A (ja) * 2006-02-15 2007-08-30 Ricoh Co Ltd 指向性可変アンテナおよび情報機器
GB2457046A (en) * 2008-01-30 2009-08-05 E2V Tech Anode structure for a magnetron
JP5562577B2 (ja) * 2009-05-08 2014-07-30 新日本無線株式会社 マグネトロン
RU2740207C1 (ru) * 2019-10-31 2021-01-12 Федеральное государственное автономное образовательное учреждение высшего образования "Российский университет транспорта" (ФГАОУ ВО РУТ (МИИТ), РУТ (МИИТ) Радиоизотопный источник переменного электрического тока
CN114464515B (zh) * 2021-11-18 2023-04-18 电子科技大学 一种异腔磁控管的锁频锁相及调配结构
CN114464513B (zh) * 2021-11-18 2023-04-07 电子科技大学 一种同轴磁控管的锁频锁相及调配结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747137A (en) * 1945-05-12 1956-05-22 Gen Electric High frequency electrical apparatus
US2737610A (en) * 1945-11-16 1956-03-06 Royal P Allaire Tunable magnetron circuit
US2906921A (en) * 1956-08-23 1959-09-29 Gen Electric Magnetron
GB982806A (en) * 1962-10-22 1965-02-10 Ass Elect Ind Improvements in multi-cavity magnetrons
GB1600235A (en) * 1964-03-26 1981-10-14 Litton Industries Inc Electron discharge noise generator
US3441793A (en) * 1966-07-08 1969-04-29 Sfd Lab Inc Reverse magnetron having a circular electric mode purifier in the output waveguide
US3448331A (en) * 1966-07-19 1969-06-03 Varian Associates Composite coaxial coupling device and coaxial window
FR2708785B1 (fr) * 1993-07-30 1995-09-01 Thomson Tubes Electroniques Dispositif d'atténuation d'ondes parasites pour tube électronique et tube électronique comportant ce dispositif.

Also Published As

Publication number Publication date
DE60119823T2 (de) 2007-04-26
CN1252780C (zh) 2006-04-19
EP1139377B1 (de) 2006-05-24
GB0007787D0 (en) 2000-05-17
US20010052825A1 (en) 2001-12-20
EP1139377A1 (de) 2001-10-04
US6815897B2 (en) 2004-11-09
GB2360872B (en) 2004-05-05
DE60119823D1 (de) 2006-06-29
CA2338653A1 (en) 2001-09-30
ATE327569T1 (de) 2006-06-15
CN1319869A (zh) 2001-10-31
GB2360872A (en) 2001-10-03
JP2001319585A (ja) 2001-11-16
JP5204939B2 (ja) 2013-06-05

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20210301